Summary Matrix of Calculated Variables (CV) in the 2021 Data File

Related Pages

BRFSS 2021 Summary Matrix
Behavioral Risk Factor Surveillance System
2021, Summary Martix

 

Summary of Matrix Version 13
Description or Result
of Calculation		 Input Variables
(From Questionnaire)		 Intermediate and
Output Variables
used in calculations		 Output Variables
(In Final Data Set)
Section 1: Health Status
CV for fair or poor general health GENHLTH _RFHLTH
Section 2: Healthy Days
CV for days of not good physical health PHYSHLTH _PHYS14D
CV for days of not good mental health MENTHLTH _MENT14D
Section 3: Health Care Access
CV for respondents that have any form of health insurance PRIMINSR _HLTHPLN
CV for respondents aged 18-64 years that have any form of health insurance PRIMINSR, AGE _HCVU652
Section 4: Exercise
CV for no leisure time physical activity EXERANY2 _TOTINDA
Section 7: Chronic Health Conditions
CV for respondents that reported having coronary heart disease or mycardial infarction CVDINFR4, CVDCRHD4 _MICHD
CV for lifetime asthma prevalence ASTHMA3 _LTASTH1
CV for current asthma prevalence ASTHMA3, ASTHNOW _CASTHM1
Computed asthma status ASTHMA3, ASTHNOW _ASTHMS1
Section 8: Arthritis
CV for respondents that have had a doctor diagnose them as having some form of arthritis HAVARTH5 _DRDXAR3
CV for limited usual activities HAVARTH5, LMTJOIN3 _LMTACT3
CV for limited work activities HAVARTH5, ARTHDIS2 _LMTWRK3
Section 9: Demographics
Preferred Race MRACE1, ORACE3 MRACORG1, MRACASC1 _PRACE1
Multiracial Race categorization MRACE1 MRACORG1, MRACASC1 _MRACE1
CV for Hispanic, Latino or Spanish categorization HISPANC3 _HISPANC
CV for race/ethnicity MRACE1, HISPANC3 _HISPANC, _MRACE1, MRACORG1, MRACASC1 _RACE
White, non-Hispanic and non-White or Hispanic race/ethnicity groupings. MRACE1, HISPANC3 _HISPANC, _MRACE1, MRACORG1, MRACASC1, _RACE _RACEG21
Hispanic and non-Hispanic White, Black, and Other race/ethnicity groupings. MRACE1, HISPANC3 _HISPANC, _MRACE1, MRACORG1, MRACASC1, _RACE _RACEGR3
Computed race groups used for internet prevalence tables _RACE, _IMPRACE _RACEPRV
Calculated sex variable BIRTHSEX, SEXVAR _SEX
18-24 and then 5-year age groupings to 80+. AGE _AGEG5YR
18-64 and 65+ age groupings. AGE _AGE65YR
CV for imputed age collapsed above 80 AGE _IMPAGE _AGE80
18-64 and 65+ 10 year age groupings. AGE _IMPAGE _AGE_G
CV for height in inches HEIGHT3 HTIN4
CV for height in meters HEIGHT3 HTIN4 HTM4
CV for weight in kilograms WEIGHT2 WTKG3
Calculated Body Mass Index PREGNANT, WEIGHT2, HEIGHT3 HTIN4, HTM4, WTKG3 _BMI5
Tri-level weight variable (normal, overweight, obese) based on Body Mass Index PREGNANT, WEIGHT2, HEIGHT3 HTIN4, HTM4, WTKG3, _BMI5 _BMI5CAT
CV for Overweight or Obese Body Mass Index level PREGNANT, WEIGHT2, HEIGHT3 HTIN4, HTM4, WTKG3, _BMI5 _RFBMI5
Calculated number of children in household CHILDREN _CHLDCNT
Calculated education level completed EDUCA _EDUCAG
Section 11: Tobacco Use
Smoking Status: Everyday smoker, someday smoker, former smoker and non smoker SMOKE100, SMOKDAY2 _SMOKER3
CV for current smoking status SMOKE100, SMOKDAY2 _SMOKER3 _RFSMOK3
CV for current e-cigarette smoker status ECIGNOW1 _CURECI1
Section 12: Alcohol Consumption
CV for alcohol comsuption ALCDAY5 DRNKANY5
Drink occasions per day ALCDAY5 DROCDY3_
CV for BINGE drinking (males GE 5 drinks on an occasion, females GE 4 drinks on an occasion) ALCDAY5, DRNK3GE5 _RFBING5
CV for number of drinks of alcohol per week ALCDAY5, AVEDRNK3 DROCDY3_ _DRNKWK1
CV for HEAVY drinking (GT 2 drinks per day for men, GT 1 drink per day for women) BIRTHSEX,SEXVAR, ALCDAY5 _DRNKWK1 _RFDRHV7
Section 13: Immunization
CV for respondents aged 65 and older that have had a flu shot within the past year AGE, FLUSHOT7 _FLSHOT7
CV for respondent aged 65 and older that have ever had a pneumonia vaccine PNEUVAC4 _PNEUMO3
Section 14: HIV/AIDS
CV for having ever been tested for HIV HIVTST7 _AIDTST4
Section 15: Fruits & Vegetables
CV for fruit juice intake in times per day FRUITJU2 FTJUDA2_
CV for fruit intake in times per day FRUIT2 FRUTDA2_
CV for dark green vegetable intake in times per day FVGREEN1 GRENDA1_
CV for french fry intake in times per day FRENCHF1 FRNCHDA_
CV for potato intake in times per day POTATOE1 POTADA1_
CV for vegetable intake in times per day VEGETAB2 VEGEDA2_
CV for the number of missing fruit responses FRUITJU2, FRUIT2 FTJUDA2_, FRUTDA2_ _MISFRT1
CV for the number of missing vegetable responses VEGETAB2, FVGREEN1, POTATOE1, FRENCHF1 GRENDA1_, VEGEDA2_, POTATDA1_, FRENCHDA_ _MISVEG1
CV for missing any fruit responses FRUITJU2, FRUIT2 FTJUDA2_, FRUTDA2_, _MISFRT1 _FRTRES1
CV for missing any vegetable responses VEGETAB2, FVGREEN1, POTATOE1, FRENCHF1 GRENDA1_, VEGEDA2_, POTATDA1_, FRENCHDA_, _MISVEG1 _VEGRES1
CV for total fruits consumed per day FRUITJU2, FRUIT2 FTJUDA2_, FRUTDA2_ _FRUTSU1
CV for total vegetables consumed per day VEGETAB2, FVGREEN1, POTATOE1, FRENCHF1 GRENDA1_, VEGEDA2_, POTATDA1_, FRENCHDA_ _VEGESU1
CV for consuming fruit 1 or more times per day FRUITJU2, FRUIT2 FTJUDA2_, FRUTDA2_, _FRUTSU1 _FRTLT1A
CV for consuming vegetables 1 or more times per day VEGETAB2, FVGREEN1, POTATOE1, FRENCHF1 GRENDA1_, VEGEDA2_, POTATDA1_, FRENCHDA_, _VEGESU1 _VEGLT1A
CV for reported consuming fruit >16 per day FRUITJU2, FRUIT2 FTJUDA2_, FRUTDA2_, _FRUTSU1 _FRT16A
CV for reported consuming vegetables >23 per day VEGETAB2, FVGREEN1, POTATOE1, FRENCHF1 GRENDA1_, VEGEDA2_, POTATDA1_, FRENCHDA_, _VEGESU1 _VEG23A
CV for fruit exclusion from analyses FRUITJU2, FRUIT2 FTJUDA2_, FRUTDA2_, _MISFRT1, _FRUTSU1, _FRTRES1, _FRT16A _FRUITE1
CV for vegetable exclusion from analyses VEGETAB2, FVGREEN1, POTATOE1, FRENCHF1 GRENDA1_, VEGEDA2_, POTATDA1_, FRENCHDA_, _VEGESU1, _MISVEG1, _VEGRES1, _VEG23A _VEGETE1

 

Version #13 – Revised: July 14, 2022
Version #13 – Revised: July 14, 2022

 

Page last reviewed: August 16, 2022
Content source: National Center for Chronic Disease Prevention and Health Promotion, Division of Population Health